#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int Strlen_sort(char *arr)
{
	int left = 0;
	int end = 0; 
	while (*arr !='\0')
	{
		end++;

		arr++;
	}
	return  end - left;


  }
int main1()
{
	char *arr =  "abcdef" ;
	size_t r=Strlen_sort(arr);
	printf("%zd", r);

	return 0; 
}
